The former first lady also extended her gratitude to people around the country who sent her cards and posted on social media for her birthday.

“And to the many people from around the country who sent cards and posted on social media, you have no idea how much we love hearing from you,” she said. “I know birthdays can sometimes be bittersweet (54!), but your messages of hope, generosity, and warmth have always reminded me how lucky and blessed we are,” she wrote.Michelle Obama turned 54 on Wednesday.